Vulnerability in Nousresearch Hermes-Agent
CVE-2026-9369
A security flaw has been discovered in NousResearch hermes-agent 2026.4.23. Affected is the function _discover_dashboard_plugins of the file hermes_cli/web_server.py of the component CLI web-dashboard Interface. Performing a manipulation of the argument HERMES_ENABLE_PROJECT_PLUGINS results in incorrect comparison. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (22.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Nousresearch Hermes-Agent — versions 2026.4.23
Weakness classification (CWE)
References
- vuldb.com/vuln/365332 (technical-description, vdb-entry)
- vuldb.com/vuln/365332/cti (signature, permissions-required)
- vuldb.com/submit/812230 (third-party-advisory)
- gist.github.com/YLChen-007/062b77ceac6aa9844842a616f5d2ef30 (exploit)
Frequently asked questions
- What is CVE-2026-9369?
- CVE-2026-9369 is a medium-severity vulnerability in Nousresearch Hermes-Agent, classified under Incorrect Comparison. CVSS score: 5.3/10. Published 2026-05-24.
- How severe is CVE-2026-9369?
- Medium severity. CVSS v3 base score is 5.3 out of 10.